{"api_version":"1","generated_at":"2026-06-10T05:40:11+00:00","cve":"CVE-2022-0903","urls":{"html":"https://cve.report/CVE-2022-0903","api":"https://cve.report/api/cve/CVE-2022-0903.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-0903","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-0903"},"summary":{"title":"CVE-2022-0903","description":"A call stack overflow bug in the SAML login feature in Mattermost server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted POST body.","state":"PUBLIC","assigner":"responsibledisclosure@mattermost.com","published_at":"2022-03-10 17:45:00","updated_at":"2022-03-15 18:25:00"},"problem_types":["CWE-787"],"metrics":[],"references":[{"url":"https://mattermost.com/security-updates/","name":"https://mattermost.com/security-updates/","refsource":"MISC","tags":[],"title":"Security Updates - Mattermost Open Source Collaboration Platform","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-0903","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-0903","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Thanks to Juho Nurminen for contributing to this improvement under the Mattermost responsible disclosure policy.","lang":""}],"nvd_cpes":[{"cve_year":"2022","cve_id":"903","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mattermost","cpe5":"mattermost_server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"responsibledisclosure@mattermost.com","ID":"CVE-2022-0903","STATE":"PUBLIC","TITLE":"Stack overflow in SAML login in Mattermost"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Mattermost","version":{"version_data":[{"version_affected":"<","version_name":"6.3","version_value":"6.3.3"},{"version_affected":"<","version_name":"6.2","version_value":"6.2.3"},{"version_affected":"<","version_name":"6.1","version_value":"6.1.3"},{"version_affected":"<","version_name":"5.37","version_value":"5.37.8"}]}}]},"vendor_name":"Mattermost"}]}},"credit":[{"lang":"eng","value":"Thanks to Juho Nurminen for contributing to this improvement under the Mattermost responsible disclosure policy."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A call stack overflow bug in the SAML login feature in Mattermost server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted POST body."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Call stack overflow / goroutine stack overflow"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://mattermost.com/security-updates/","name":"https://mattermost.com/security-updates/"}]},"solution":[{"lang":"eng","value":"Update the Mattermost version to v6.3.3, 6.2.3, 6.1.3, or 5.37.8, depending on the minor version being run"}],"source":{"advisory":"MMSA-2022-0087","defect":["https://mattermost.atlassian.net/browse/MM-41263"],"discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2022-03-10 17:45:00","lastModifiedDate":"2022-03-15 18:25:00","problem_types":["CWE-787"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3.0","versionEndExcluding":"6.3.3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionEndExcluding":"5.37.8","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0.0","versionEndExcluding":"6.1.3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2.0","versionEndExcluding":"6.2.3","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}